Quasi-isochronous storage ring for enhanced FEL performance
Abstract
A compact storage ring is designed to be used as a driver for an FEL. This ring can be operated very close to zero momentum compaction factor ({alpha}) to increase the electron density and thus the gain of the FEL. In order to control {alpha} with zero dispersion in the straight sections the authors use an inverted dipole located between the bending magnets and 4-families of quadrupoles. By using 3-families of sextupoles they can control the 2 transverse chromaticities and 2nd order momentum compaction. They find that the ring has sufficient dynamic aperture for good performance.
- Authors:
-
- Lawrence Berkeley Lab., CA (United States)
- Electrotechnical Lab., Ibaraki (Japan)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States); Japan Atomic Energy Research Inst., Tokyo (Japan)
- OSTI Identifier:
- 114562
- Report Number(s):
- LBL-37630; CONF-9508156-2
ON: DE96001104; TRN: 95:007459
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Conference
- Resource Relation:
- Conference: 17. international free electron laser conference, New York, NY (United States), 21-25 Aug 1995; Other Information: PBD: Aug 1995
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; STORAGE RINGS; DESIGN; CHROMATIC ABERRATIONS; FREE ELECTRON LASERS; TRANSVERSE MOMENTUM; ELECTRON BEAMS
Citation Formats
Ohgaki, H, Robin, D, and Yamazaki, Y. Quasi-isochronous storage ring for enhanced FEL performance. United States: N. p., 1995.
Web.
Ohgaki, H, Robin, D, & Yamazaki, Y. Quasi-isochronous storage ring for enhanced FEL performance. United States.
Ohgaki, H, Robin, D, and Yamazaki, Y. 1995.
"Quasi-isochronous storage ring for enhanced FEL performance". United States. https://www.osti.gov/servlets/purl/114562.
@article{osti_114562,
title = {Quasi-isochronous storage ring for enhanced FEL performance},
author = {Ohgaki, H and Robin, D and Yamazaki, Y},
abstractNote = {A compact storage ring is designed to be used as a driver for an FEL. This ring can be operated very close to zero momentum compaction factor ({alpha}) to increase the electron density and thus the gain of the FEL. In order to control {alpha} with zero dispersion in the straight sections the authors use an inverted dipole located between the bending magnets and 4-families of quadrupoles. By using 3-families of sextupoles they can control the 2 transverse chromaticities and 2nd order momentum compaction. They find that the ring has sufficient dynamic aperture for good performance.},
doi = {},
url = {https://www.osti.gov/biblio/114562},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 01 00:00:00 EDT 1995},
month = {Tue Aug 01 00:00:00 EDT 1995}
}
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